Finding the Fourth Proportional to 651,445.56, 977,011.20 and 272,161.44
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Solution
The fourth proportional to 651,445.56, 977,011.20 and 272,161.44 is: 408,176.51
Step by Step Solution
- Step 1: Write the proportion equation
651,445.56 : 977,011.20 = 272,161.44 : x - Step 2: Convert to fraction form
651,445.56/977,011.20 = 272,161.44/x - Step 3: Cross multiply
651,445.56x = 977,011.20 × 272,161.44 - Step 4: Simplify right side
651,445.56x = 265,904,775,088.13 - Step 5: Solve for x
x = 265,904,775,088.13/651,445.56 - Step 6: Final answer
x = 408,176.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.